| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not possible to harmonise into ES-ISCED | 0 | 
                                    
                                    0%
                                 | 
| 1 | ES-ISCED I , less than lower secondary | 35 | 
                                    
                                    2.3%
                                 | 
| 2 | ES-ISCED II, lower secondary | 126 | 
                                    
                                    8.2%
                                 | 
| 3 | ES-ISCED IIIb, lower tier upper secondary | 373 | 
                                    
                                    24.3%
                                 | 
| 4 | ES-ISCED IIIa, upper tier upper secondary | 59 | 
                                    
                                    3.9%
                                 | 
| 5 | ES-ISCED IV, advanced vocational, sub-degree | 179 | 
                                    
                                    11.7%
                                 | 
| 6 | ES-ISCED V1, lower tertiary education, BA level | 43 | 
                                    
                                    2.8%
                                 | 
| 7 | ES-ISCED V2, higher tertiary education, >= MA level | 121 | 
                                    
                                    7.9%
                                 | 
| 55 | Other | 0 | 
                                    
                                    0%
                                 | 
| 66 | Not applicable | 575 | 
                                    
                                    37.5%
                                 | 
| 77 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| 88 | Don't know | 20 | 
                                    
                                    1.3%
                                 | 
| 99 | No answer | 1 | 
                                    
                                    0.1%
                                 |